Full Stack Software Engineer with 4+ years of experience building scalable web applications, distributed microservices, and production-grade AI systems across product and...
See MorePost a project and get matched with Apache Groovy experts in the United States. Matched in 24 hours. No agency fees.
Trusted by 10,000+ companies of all sizes
Available now
Every Developer's portfolio and application is manually reviewed by our Customer Success team. You only see vetted matches.
Full Stack Software Engineer with 4+ years of experience building scalable web applications, distributed microservices, and production-grade AI systems across product and...
See MoreResults-driven Full Stack Java Developer with 5+ years of experience architecting and deploying enterprise applications using Java, Spring Boot, Angular, and cloud platfo...
See MoreHello! I’m an AI and ML engineer with 6 years of experience designing, developing, and deploying LLM-powered applications, NLP pipelines, and data-driven solutions across...
See MoreI'm Ranjith Mukkera, a Full Stack Java Developer with around 5 years of experience across the Software Development Life Cycle. I build robust backend systems using Java 8...
See MoreI'm an experienced Developer based in Mechanicsburg, United States. I specialise in .NET, AI Chatbot, and AngularJS and enjoy helping teams turn ideas into polished work.
See MoreI am a Full Stack Developer with over 20 years of experience in Java Core, Struts, Spring Boot, Spring Framework, Microservices, HTML, CSS, JavaScript, and Angular. I exc...
See MoreI am a Java Full Stack Developer with around 5 years of experience in building and maintaining web applications. I specialize in Core Java, Java 8/11, SQL, and popular fr...
See MoreI am a Machine Learning Engineer with over 6 years of experience creating robust and scalable machine learning pipelines and deep learning solutions across diverse indust...
See MoreI am a Senior Data Engineer with over 9 years of experience managing the full software development life cycle, specializing in high-performing multi-tiered web applicatio...
See MoreI am a highly skilled Software Engineer based in Fort Lauderdale, FL, with extensive experience in web development, software engineering, and content management systems. ...
See MoreI am a Senior Software Engineer with over 8 years of experience designing and building scalable, high-performance microservices and enterprise applications. I specialize ...
See MoreI am a Software Engineer with 4 years of experience delivering full-stack solutions across fintech, healthcare, and e-commerce domains. I specialize in backend developmen...
See MoreWe have over 14,500 Developers who've worked in many different industries and cover various styles and skillsets.
Start your searchProjects that brands and startups post most often.
End-to-end build of a v1 product, front-end, back-end, and deployment.
Build your MVPTheme dev, custom checkout, app integrations, and performance optimisation.
Build your storefrontBuild and connect third-party APIs, payment, email, analytics, CRM.
Connect your APIsAdd an AI/LLM feature to an existing product.
Integrate AISee which of Twine's top rated Developers are near you
Or widen your search to global Apache Groovy Developers
Reviews
“Working with Emmanuel was a great experience. He was professional, communicated clearly throughout the project, and delivered the TrendSphere eCommerce Solution on time. The quality of his work exceeded my expectations, and he was always open to feedback and quick to make any requested adjustments. I highly recommend...”
Forlan @ zenithsphere
Jul 28, 2026
“Omais is a highly skilled and reliable freelancer who did a fantastic job on my Web App project. I trusted him with complex technical tasks, including working directly within a Windows Server VPS environment, and he handled everything seamlessly. He is professional, efficient, and delivers great results. I highly recommend...”
Julio @ Two Brothers Flooring, LLC
Jul 13, 2026
“Gideon did a great job setting up and designing our Shopify store. He made the layout attractive, organized the products properly, and ensured the store works smoothly on both phones and computers. His attention to detail and support were excellent.”
Sterling @ Lesch Clothing
Jul 10, 2026
“Studying this web module made complex backend concepts completely clear. Instead of just reading theoretical documentation, examining the logic flow, database queries, and route configurations in this project showed me exactly how professional applications handle user inputs and system state”
CARPA @ CARPA
Jul 9, 2026
“Hello we are very satisfied from that work”
Tejal @ opirawebs
Jul 4, 2026
“I worked with Daniil Sereda on LiberSave, a fintech platform that includes a payment gateway and a voucher management system for physical and digital goods. During our collaboration, Daniil demonstrated strong technical expertise, professionalism, and a reliable approach to software development. He consistently delivered...”
Roman @ LiberSave
Jun 30, 2026

Clients Rate Twine Apache Groovy Developers 5.0 / 5.0
on average across 287287 reviews
3–5 minutes. Tell us about your project, your timeline, and how you want experts to contact you.
Within 24 hours, you'll see a shortlist of vetted Developers matched to your project.
Flexible payments on your terms, bill experts directly or use the Twine vault for added security.
Transparent rates, no hidden markup, and a payment path for every need.
Agencies bury a 20–40% markup inside the retainer, you never see it. On Twine, you set the price and you see the platform fee as a separate, explicit line. No surprises at checkout.
Prefer your own payment flow? Pay your expert outside Twine, incurring no commission fees. Most useful for ongoing or trusted relationships.
Funds are held in escrow and only released when you approve the deliverables. If the work isn't right, your money doesn't move. 10% commission on payments up to $10,000, just 5% on anything above.
Pick the role, the experience level and how long you need. We’ll show you what similar projects have cost on Twine. It’s a guide, not a quote.
Estimates only. Actual budget is set by you and agreed with your expert before any work begins.
ESTIMATED RANGE
$4,800 – $13,000
Full possible range for a mid-level Developer over 2–4 weeks
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.